Hide objectes in specific animations
Use the Mask Modifier:

On your Axe object Edit Mode assign all vertices to a group and set the weight less than 1.0



Apply the Mask Modifier to the object whose visibility you want to vary
Create a New Scene with (Full Copy vs Linked) -- can used link and then Unlink the changeable (beyond scope of this answer)
In the &quot;Is Visible&quot; Scene, set the Mask Threshold &gt; Vertex Weight:



In the &quot;Is Invisible&quot; scene, set the Mask Threshold &lt; Vertex Weight:



Or if you want an item to appear/disappear in the same scene, animate the Threshold or Weight (see note in previous screenshot)